OL 700-70 Integrating Sphere Reflectance Attachment

OL 700-70 Integrating Sphere Reflectance Attachment
OL 700-70
Integrating Sphere
Reflectance Attachment
The OL 700-70 is used with the OL Series 770 Multi-Channel Spectroradiometers to measure the diffuse
reflectance of materials over the UV-VIS-NIR wavelength region. The attachment utilizes fiber optic coupled
input and output ports, and a 6" diameter integrating sphere. It is mounted in a convenient, rugged stand for
tabletop or laboratory benchtop use, eliminating the need for mounting rods or fixtures. Sample
measurement spot size is 5 mm, and due to the unique sample holder design, there is no limit to the actual
size of the sample. Although the OL 700-70 was designed specifically for use with the OL 770, it can also be
used with other spectroradiometers equipped with a fiber optic input.
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Ultra-fast measurement of samples
The entire spectrum, plus chromaticity and
other essential optical parameters, is measured
in a fraction of a second.
Complete flexibility
Light to and from the sample is carried by
flexible fiber optics, so the OL 700-70 can be
easily positioned relative to your samples.
Samples can be horizontal or vertical
The OL 700-70 is designed to operate both
horizontally and vertically, so it can match the
orientation of your samples.
Any size samples
Remove the sample holder and place the
sample against the flat surface. The sample
can be as big as you like. You can even place
the OL 700-70 port-down onto a sample, e.g. a
table, and measure its reflectance.
Contact: [email protected]
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Accurate results
All the features needed for the most accurate
measurements are included. You get the
benefits
of
sample
self-absorption
compensation, low stray light, double beam
geometry, ultra-stable stable light source, and
near-ideal Lambertian sampling – all critical for
accurate measurements.
Specular components included or excluded
Make measurements of all types of samples,
with diffuse only or diffuse + specular (mirrorlike) results.
Easy-to-use software
The software guides you through making
measurements, data storage, and reports with
just a simple mouse-click.
Microsoft Word and Excel compatible
The system is designed to work with Microsoft
Word and Excel, allowing infinite flexibility.
www.GHinstruments.com
As part of our policy of continuous product improvement, we reserve the right to change specifications at any time
Bulletin 92 / Rev 3-12
Page 1 of 2
OL 700-70
Integrating Sphere
Reflectance Attachment
An accurate, double-beam design is achieved with a
manually controlled, optical beam switch. The doublebeam design enables the user to use the significantly
more accurate "comparison method” of measuring
diffuse reflectance. This method compensates for
changes in the spectral efficiency of the integrating
sphere due to self-absorption and reflectance
properties of the measurement sample when placed on
the measurement port.
The angle of incidence from the input port to the
measurement port is 10°, and the reflected specular
component may be included or excluded due to a
removable light trap. When the specular component is
to be included in the measurement, a PTFE coated
plug is installed in place of the light trap. This optical
design also enables the user to measure specular
reflectance at a fixed angle of incidence of 10°.
Spectral Data Plot using OL 770 Multi-Channel Spectroradiometer
Side View
Contact: [email protected]
A calibrated standard of diffuse reflectance and a built-in
lamp used for illumination of the sample are provided for
calibration and measurements.
Control of the
illumination source is imbedded in the application
software, and software prompts fully guide the user
through the calibration and measurements procedure.
SPECIFICATIONS
Spectral Measurement Range ..............................200 to 2500 nm
Sphere Diameter ............................................................................. 6"
Sample Size ........................................... 1" minimum to unlimited
Sample Illuminated Area ......................................................... 5 mm
Illumination Incident Angle......................................................... 10°
Scattered Light (black trap sample)....................................... < 1%
Dimensions ........................................................ 7" W x 13”D x 9”H
Weight ........................................................................................ 8 lbs.
Automatically Export OL770 Data into an Excel Spreadsheet Template.
Top View
www.GHinstruments.com
As part of our policy of continuous product improvement, we reserve the right to change specifications at any time
Bulletin 92 / Rev 3-12
Page 2 of 2
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